A makeup mirror produces an upright image with a magnification of +2.0 when the…

PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A makeup mirror produces an upright image with a magnification of +2.0 when the user's face is 25 cm in front of the mirror. Calculate the focal length of the mirror, including its sign, in centimeters.

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